/* ------------------------------------------------------------------ tokens */
:root {
  --bg: #ffffff;
  --bg-2: #f6f5f1;
  --bg-3: #ecebe6;
  --ink: #0a0a0a;
  --ink-2: #5c5a55;
  --ink-3: #9a978f;
  --hair: rgba(10, 10, 10, 0.14);
  --hair-2: rgba(10, 10, 10, 0.32);
  --accent: #f5c518;
  --intel: #1f5eff;
  --content: #d99a00;
  --context: #0a0a0a;
  --demand: #0f8a4a;
  --craft: #d63a5a;
  --display: "Bricolage Grotesque", "Inter Tight", system-ui, sans-serif;
  --body: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", "JetBrains Mono", ui-monospace, Menlo, monospace;
  --pad: clamp(20px, 4vw, 64px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
* { box-sizing: border-box; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--body); font-size: 17px; line-height: 1.5;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3, .display { font-family: var(--display); font-variation-settings: "opsz" 96; }
em { font-style: normal; background: var(--accent); color: var(--ink); padding: 0 0.08em; margin: 0 -0.02em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-2); }
::selection { background: var(--accent); color: var(--ink); }
.line { display: block; overflow: hidden; padding-bottom: 0.04em; }
.line > span { display: block; transform: translateY(110%); white-space: nowrap; }
[data-fit] { white-space: nowrap; }
[data-fit] .line > span { white-space: nowrap; }
.textlink { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; border-bottom: 2px solid var(--accent); padding-bottom: 3px; }

/* ------------------------------------------------------------------ cursor */
.cursor { position: fixed; top: 0; left: 0; width: 12px; height: 12px; border-radius: 50%; background: #fff; pointer-events: none; z-index: 9999; mix-blend-mode: difference; transform: translate(-50%, -50%); transition: width .25s var(--ease), height .25s var(--ease), opacity .25s; opacity: 0; }
.cursor.is-on { opacity: 1; }
.cursor.is-link { width: 56px; height: 56px; }
@media (hover: none) { .cursor { display: none; } }
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 1000; pointer-events: none; }
.progress span { display: block; height: 100%; width: 0; background: var(--ink); }

/* --------------------------------------------------------------------- nav */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 900; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px var(--pad); color: var(--ink); transition: color .4s; }
.nav.nav--light { color: #fff; }
.nav__brand { font-family: var(--display); font-weight: 800; letter-spacing: 0.06em; font-size: 14px; display: inline-flex; align-items: center; gap: 8px; }
.nav__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; mix-blend-mode: normal; }
.nav__links { display: flex; gap: 28px; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.nav__links a, .nav__cta { position: relative; padding: 6px 0; }
.nav__links a::after, .nav__cta::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: currentColor; transition: right .4s var(--ease); }
.nav__links a:hover::after, .nav__cta:hover::after { right: 0; }
.nav__cta { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
@media (max-width: 800px) { .nav__links { display: none; } }

/* -------------------------------------------------------------------- hero */
.hero { min-height: 100vh; padding: 22vh var(--pad) 10vh; display: flex; flex-direction: column; justify-content: flex-end; gap: 6vh; }
.hero__meta { display: flex; gap: 32px; flex-wrap: wrap; }
.hero__meta span::before { content: "— "; color: var(--ink-3); }
.hero__title { margin: 0; font-weight: 800; font-size: 160px; line-height: 0.92; letter-spacing: -0.04em; }
.hero__row { display: grid; grid-template-columns: minmax(0, 640px) 1fr; align-items: end; gap: 40px; }
.hero__lede { margin: 0; font-size: clamp(17px, 1.35vw, 22px); line-height: 1.45; color: var(--ink-2); max-width: 62ch; }
.hero__scroll { justify-self: end; text-align: right; line-height: 1.6; }
@media (max-width: 800px) { .hero__row { grid-template-columns: 1fr; } .hero__scroll { justify-self: start; text-align: left; } }

/* ----------------------------------------------------------------- marquee */
.marquee { overflow: hidden; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 16px 0; }
.marquee__track { display: flex; width: max-content; animation: marquee 34s linear infinite; }
.marquee__track span { font-family: var(--display); font-weight: 700; font-size: clamp(20px, 2.6vw, 40px); letter-spacing: -0.03em; padding: 0 28px; white-space: nowrap; }
.marquee__track span::after { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); margin-left: 56px; vertical-align: middle; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ----------------------------------------------------------------- section */
.section { padding: 16vh var(--pad); position: relative; }
.section__head { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 24px 40px; align-items: start; margin-bottom: 8vh; }
.section__head--tight { margin-bottom: 4vh; }
.section__num { padding-top: 14px; color: var(--ink); }
.section__title { margin: 0; font-weight: 800; font-size: 110px; line-height: 0.95; letter-spacing: -0.04em; grid-column: 2; }
.section__lede { grid-column: 2; margin: 0; max-width: 66ch; font-size: clamp(16px, 1.2vw, 20px); color: var(--ink-2); }
@media (max-width: 800px) { .section__head { grid-template-columns: 1fr; } .section__title, .section__lede { grid-column: 1; } }

/* ----------------------------------------------------------------- machine */
.machine { border: 1px solid var(--ink); border-radius: 14px; overflow: hidden; background: var(--bg); }
.machine__toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 14px 20px; border-bottom: 1px solid var(--ink); flex-wrap: wrap; }
.op__legend { display: flex; gap: 20px; flex-wrap: wrap; }
.op__legend span { display: inline-flex; align-items: center; gap: 8px; }
.op__legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.run { appearance: none; border: 1px solid var(--ink); background: var(--ink); color: #fff; border-radius: 999px; padding: 10px 18px 10px 14px; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; cursor: pointer; display: inline-flex; align-items: center; gap: 10px; transition: background .3s, color .3s; }
.run:hover { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.run__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.run:hover .run__dot { background: var(--ink); }
.run.is-running { pointer-events: none; opacity: .7; }

.bus { display: flex; align-items: center; gap: 18px; padding: 12px 20px; background: var(--ink); color: #fff; overflow-x: auto; }
.bus__label { color: #fff; opacity: .7; white-space: nowrap; }
.bus__chips { display: flex; gap: 8px; }
.chip { appearance: none; border: 1px solid rgba(255,255,255,.28); background: transparent; color: #fff; font-family: var(--mono); font-size: 11px; padding: 5px 9px; border-radius: 5px; cursor: pointer; white-space: nowrap; transition: background .3s, color .3s, border-color .3s; }
.chip:hover, .chip.is-hot { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.chip.is-dim { opacity: .35; }

.board { position: relative; padding: 32px 20px; background-color: var(--bg); background-image: radial-gradient(var(--hair) 1px, transparent 1px); background-size: 22px 22px; }
.board__wires { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.board__wires path { fill: none; stroke: rgba(10,10,10,.5); stroke-width: 1.4; stroke-dasharray: 4 6; animation: flow 1.6s linear infinite; transition: stroke .3s, opacity .3s, stroke-width .3s; }
.board__wires path.is-hot { stroke: var(--ink); stroke-dasharray: none; stroke-width: 1.6; animation: none; }
.board__wires path.is-dim { opacity: .15; }
.board__wires circle.pulse { fill: var(--accent); stroke: var(--ink); stroke-width: 1.5; r: 6; }
@keyframes flow { to { stroke-dashoffset: -20; } }

.board__grid { display: grid; grid-template-columns: 180px minmax(0, 1fr) minmax(0, 1fr) 220px; gap: 36px; position: relative; z-index: 1; align-items: start; }
.rail__head { margin-bottom: 12px; }
.rail__body { display: flex; flex-direction: column; gap: 10px; }
.port { appearance: none; text-align: left; border: 1px solid var(--ink); background: var(--bg); border-radius: 8px; padding: 10px 12px; font-size: 13px; line-height: 1.3; cursor: pointer; position: relative; color: var(--ink); transition: transform .3s var(--ease), background .3s; }
.port::after { content: ""; position: absolute; top: 50%; width: 8px; height: 8px; border-radius: 50%; background: var(--ink); transform: translateY(-50%); }
.rail--in .port::after { right: -5px; }
.rail--out .port::after { left: -5px; }
.rail--out .port { display: flex; gap: 10px; align-items: flex-start; }
.port__glyph { font-family: var(--mono); font-size: 14px; line-height: 1.1; color: var(--ink); }
.port:hover, .port.is-hot { background: var(--accent); transform: translateX(2px); }
.port.is-dim { opacity: .35; }
.rail--out .port:hover, .rail--out .port.is-hot { transform: translateX(-2px); }

.stack { display: flex; flex-direction: column; gap: 28px; }
.group { border: 1px solid var(--hair-2); border-radius: 10px; padding: 12px; background: rgba(255,255,255,.75); backdrop-filter: blur(2px); }
.group__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.group__head b { font-family: var(--display); font-size: 15px; letter-spacing: -0.01em; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.group__head b i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.group__head span { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.group__body { display: flex; flex-direction: column; gap: 8px; }
.node { appearance: none; border: 1px solid var(--hair-2); background: var(--bg); color: var(--ink); text-align: left; padding: 9px 12px 9px 14px; border-radius: 7px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; position: relative; transition: transform .3s var(--ease), border-color .3s, background .3s, box-shadow .3s; }
.node::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px; border-radius: 2px; background: var(--node); }
.node__title { font-weight: 600; font-size: 14px; letter-spacing: -0.01em; }
.node__kind { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.node:hover, .node.is-hot { border-color: var(--ink); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,.08); }
.node.is-hot { background: var(--accent); }
.node.is-hot .node__kind { color: var(--ink); }
.node.is-dim { opacity: .35; }
.machine__status { padding: 12px 20px; border-top: 1px solid var(--ink); display: flex; gap: 12px; align-items: center; }
.machine__status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
.machine__status.is-live::before { background: var(--accent); box-shadow: 0 0 0 4px rgba(245,197,24,.25); }
@media (max-width: 1100px) {
  .board__grid { grid-template-columns: 1fr 1fr; }
  .board__wires { display: none; }
  .rail--in, .rail--out { grid-column: 1 / -1; }
  .rail__body { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .port::after { display: none; }
}
@media (max-width: 640px) { .board__grid { grid-template-columns: 1fr; } .rail__body { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------------ drawer */
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(680px, 100vw); z-index: 1200; background: var(--bg); border-left: 1px solid var(--ink); transform: translateX(102%); transition: transform .6s var(--ease); overflow-y: auto; padding: 72px 44px 60px; }
.drawer.is-open { transform: translateX(0); }
.drawer__scrim { position: fixed; inset: 0; background: rgba(10,10,10,.35); z-index: 1100; opacity: 0; pointer-events: none; transition: opacity .4s; }
.drawer__scrim.is-open { opacity: 1; pointer-events: auto; }
.drawer__close { position: absolute; top: 22px; right: 28px; background: var(--bg); border: 1px solid var(--ink); color: var(--ink); width: 40px; height: 40px; border-radius: 50%; font-size: 22px; cursor: pointer; }
.drawer__kind { display: inline-flex; gap: 10px; align-items: center; margin-bottom: 18px; }
.drawer__kind i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.drawer h3 { margin: 0 0 14px; font-size: clamp(30px, 3vw, 44px); letter-spacing: -0.03em; line-height: 1; font-weight: 800; }
.drawer > .drawer__body > p, .drawer__body > p { color: var(--ink-2); line-height: 1.55; margin: 0 0 22px; }
.drawer dl { display: grid; grid-template-columns: 90px 1fr; gap: 10px 18px; margin: 0 0 24px; border-top: 1px solid var(--hair); padding-top: 18px; }
.drawer dt { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); padding-top: 3px; }
.drawer dd { margin: 0; font-size: 15px; }
.drawer dd code, .result code { font-family: var(--mono); font-size: 12px; background: var(--bg-2); padding: 2px 6px; border-radius: 4px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button, .chips span { font-family: var(--mono); font-size: 11px; border: 1px solid var(--hair-2); background: var(--bg); padding: 3px 8px; border-radius: 4px; cursor: pointer; color: var(--ink); }
.chips button:hover { background: var(--accent); border-color: var(--accent); }
.drawer__link { display: inline-flex; gap: 8px; align-items: center; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; border-bottom: 2px solid var(--accent); padding-bottom: 3px; }

/* ---------------------------------------------------------- result screen */
.result { border: 1px solid var(--ink); border-radius: 10px; overflow: hidden; margin: 0 0 24px; background: var(--bg-2); }
.result__bar { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; background: var(--ink); color: #fff; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.result__bar b { font-weight: 500; color: var(--accent); }
.result__body { padding: 16px; font-size: 14px; }
.result table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; }
.result th, .result td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--hair); vertical-align: top; }
.result th { color: var(--ink-3); font-weight: 500; }
.result tr:last-child td { border-bottom: 0; }
.result .tag { display: inline-block; font-family: var(--mono); font-size: 10px; padding: 2px 6px; border-radius: 4px; background: var(--bg-3); }
.result .tag--a { background: var(--accent); }
.result .tag--x { background: #fbe3e8; color: #9f1239; }
.result ul { margin: 0; padding-left: 18px; }
.result li { margin-bottom: 6px; }
.result .post { background: #fff; border: 1px solid var(--hair); border-radius: 8px; padding: 14px 16px; font-size: 14px; line-height: 1.45; white-space: pre-wrap; }
.result .post--lc { text-transform: lowercase; }
.result .post__meta { font-family: var(--mono); font-size: 11px; color: var(--ink-3); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .06em; }
.result .check { list-style: none; padding: 0; }
.result .check li::before { content: "✓ "; color: var(--demand); font-weight: 700; }
.result .heat { display: grid; grid-template-columns: 1fr 120px 70px; gap: 8px 12px; align-items: center; font-size: 13px; }
.result .heat .bar { height: 8px; background: var(--bg-3); border-radius: 4px; overflow: hidden; }
.result .heat .bar i { display: block; height: 100%; background: var(--ink); }
.result .kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; font-size: 13px; }
.result .kv b { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); font-weight: 500; }
.result pre { margin: 0; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; background: #fff; border: 1px solid var(--hair); border-radius: 8px; padding: 12px; }
.result .frame { width: 180px; aspect-ratio: 9 / 16; border: 1px solid var(--ink); border-radius: 10px; background: #fff; display: grid; grid-template-rows: auto 1fr auto; padding: 10px; gap: 8px; font-family: var(--mono); font-size: 10px; }
.result .frame .eq { display: flex; gap: 4px; flex-wrap: wrap; }
.result .frame .eq span { border: 1px solid var(--hair-2); border-radius: 4px; padding: 2px 4px; }
.result .frame .vid { background: var(--bg-3); border-radius: 6px; display: flex; align-items: center; justify-content: center; color: var(--ink-3); }
.result .frame .trace { border-top: 1px solid var(--hair); padding-top: 6px; }
.result .cols { display: grid; grid-template-columns: 180px 1fr; gap: 16px; align-items: start; }
.result .note { font-family: var(--mono); font-size: 10px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); margin-top: 12px; }

/* -------------------------------------------------------------- note render */
.mdnote { font-size: 13px; line-height: 1.5; color: var(--ink); }
.mdnote h2 { font-family: var(--display); font-size: 14px; letter-spacing: -0.01em; margin: 14px 0 6px; padding-top: 10px; border-top: 1px solid var(--hair); }
.mdnote h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.mdnote h3 { font-size: 13px; margin: 10px 0 4px; }
.mdnote p { margin: 0 0 8px; }
.mdnote ol, .mdnote ul { margin: 0 0 8px; padding-left: 18px; }
.mdnote li { margin-bottom: 4px; }
.mdnote a { border-bottom: 1px solid var(--accent); }
.mdnote em { background: none; padding: 0; color: var(--ink-2); }
.mdnote table { display: block; overflow-x: auto; }
.result--note .result__body { max-height: 60vh; overflow-y: auto; }
.card--note { flex-basis: min(80vw, 820px); }
.card__notewrap { position: relative; display: flex; flex-direction: column; gap: 10px; min-height: 0; }
.card__notewrap .result { margin: 0; }
.card__notewrap .result__body { max-height: 30vh; }
.card__more { align-self: flex-start; }
@media (max-width: 800px) { .card--note { flex-basis: auto; } .card__notewrap .result__body { max-height: none; } }

/* -------------------------------------------------------------------- week */
.week { padding-bottom: 0; }
.week__pin { position: relative; height: 100vh; overflow: hidden; display: flex; align-items: center; }
.week__track { display: flex; gap: 24px; padding: 0 var(--pad); will-change: transform; }
.card { flex: 0 0 min(72vw, 640px); min-height: 62vh; border: 1px solid var(--ink); border-radius: 12px; padding: 32px; background: var(--bg); display: flex; flex-direction: column; justify-content: space-between; gap: 24px; position: relative; overflow: hidden; }
.card__day { font-family: var(--display); font-weight: 800; font-size: clamp(64px, 9vw, 150px); line-height: .85; letter-spacing: -0.05em; color: var(--bg-3); position: absolute; right: 20px; top: 12px; pointer-events: none; }
.card__top { display: flex; justify-content: space-between; align-items: center; position: relative; }
.card h3 { margin: 0; font-size: clamp(28px, 2.6vw, 40px); letter-spacing: -0.03em; line-height: 1.05; font-weight: 800; max-width: 12ch; position: relative; }
.card p { margin: 0; color: var(--ink-2); font-size: 16px; max-width: 46ch; position: relative; }
.card__art { border: 1px dashed var(--hair-2); border-radius: 8px; padding: 14px 16px; font-family: var(--mono); font-size: 12px; color: var(--ink-2); display: flex; justify-content: space-between; gap: 12px; align-items: center; position: relative; }
.card__art b { color: var(--ink); font-weight: 500; }
.card__node { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; border: 1px solid var(--ink); padding: 5px 9px; border-radius: 4px; cursor: pointer; background: var(--bg); color: var(--ink); }
.card__node:hover { background: var(--accent); }
.card--end { flex-basis: min(40vw, 380px); justify-content: center; align-items: flex-start; background: var(--ink); color: #fff; border-color: var(--ink); }
.card--end p { font-family: var(--display); font-size: clamp(22px, 2vw, 30px); color: #fff; letter-spacing: -0.02em; line-height: 1.2; font-weight: 700; }
@media (max-width: 800px) { .week__pin { height: auto; overflow: visible; display: block; } .week__track { flex-direction: column; transform: none !important; } .card, .card--end { flex-basis: auto; min-height: 0; } }

/* ---------------------------------------------------------------- receipts */
.receipts__nums { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 6vh 0; margin-bottom: 8vh; }
.num { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.num b { font-family: var(--display); font-weight: 800; font-size: 170px; line-height: .85; letter-spacing: -0.06em; font-variant-numeric: tabular-nums; }
.num span { max-width: 32ch; color: var(--ink-2); font-size: 15px; }
@media (max-width: 800px) { .receipts__nums { grid-template-columns: 1fr; } }
.receipts__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 60px; }
.receipts__note { margin: 0; color: var(--ink-2); font-size: clamp(16px, 1.2vw, 20px); }
.receipts__list { list-style: none; margin: 0; padding: 0; }
.receipts__list li { padding: 18px 0; border-bottom: 1px solid var(--hair); color: var(--ink-2); font-size: 17px; }
.receipts__list li:first-child { border-top: 1px solid var(--hair); }
.receipts__list b { color: var(--ink); font-weight: 600; }
@media (max-width: 800px) { .receipts__grid { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------------- study */
.study__quote { margin: 0 0 8vh; font-family: var(--display); font-weight: 800; font-size: 150px; line-height: .92; letter-spacing: -0.05em; }
.study__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-bottom: 40px; }
.study__card { border: 1px solid var(--ink); border-radius: 10px; padding: 22px; background: var(--bg); display: flex; flex-direction: column; gap: 12px; }
.study__card h3 { margin: 0; font-size: 20px; letter-spacing: -0.02em; line-height: 1.15; font-weight: 700; }
.study__card p { margin: 0; color: var(--ink-2); font-size: 14px; }
@media (max-width: 1000px) { .study__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .study__grid { grid-template-columns: 1fr; } }

/* -------------------------------------------------------------- principles */
.principles__list { list-style: none; margin: 0; padding: 0; counter-reset: p; border-top: 1px solid var(--ink); }
.principles__list li { counter-increment: p; display: grid; grid-template-columns: 80px minmax(0, 1fr) minmax(0, 1fr); gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--hair); align-items: baseline; transition: padding-left .4s var(--ease); }
.principles__list li:hover { padding-left: 12px; }
.principles__list li::before { content: counter(p, decimal-leading-zero); font-family: var(--mono); font-size: 12px; color: var(--ink); }
.principles__list h3 { margin: 0; font-size: clamp(22px, 2.4vw, 36px); letter-spacing: -0.03em; line-height: 1.05; font-weight: 800; }
.principles__list p { margin: 0; color: var(--ink-2); }
@media (max-width: 800px) { .principles__list li { grid-template-columns: 50px 1fr; } .principles__list p { grid-column: 2; } }

/* ------------------------------------------------------------------ footer */
.foot { padding: 18vh var(--pad) 6vh; background: var(--ink); color: #fff; }
.foot__big { display: block; font-family: var(--display); font-weight: 800; font-size: 240px; line-height: .85; letter-spacing: -0.06em; margin-bottom: 10vh; }
.foot__big em { background: var(--accent); color: var(--ink); }
.foot__row { display: flex; gap: 32px; flex-wrap: wrap; align-items: center; color: rgba(255,255,255,.7); }
.foot__row a { position: relative; padding: 4px 0; color: #fff; }
.foot__row a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: var(--accent); transition: right .4s var(--ease); }
.foot__row a:hover::after { right: 0; }
.foot__copy { margin-left: auto; text-transform: none; letter-spacing: 0; }

@media (prefers-reduced-motion: reduce) {
  .line > span { transform: none; }
  .marquee__track { animation: none; }
  .board__wires path { animation: none; }
}